<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        body {
            background: url("static/admin/dist/img/photo1.png") no-repeat center center fixed;
            /*兼容浏览器版本*/
            -webkit-background-size: cover;
            -o-background-size: cover;
            background-size: cover;
        }
    </style>
</head>

<body>
<h1>测试数据12345</h1>
</body>
</html>